Pile driving cap



April 13, 1937. J. M. DOLAN FILE DRIVING CAP Fild April 27, 1936 lnueni or JIM fiaia 22 M.

Attorneus Patented Apr. 13, 1937 UNITEDSTATES PATENT OFFICE PILE DRIVING GAP James M. Dolan, Elizabethtown, N. 0.

Application April 27, 1936, Serial No. 76,687

2 Claims. (01. 61-77) The present invention appertains to new and connecting rods Il5 are employed, each being us u p v m nts in qu pm t a tructur provided with an eye at each end thereof defor the purpose of driving pilings by explosives. noted by a numeral l6 through which the afore- The principal object of the present invention mentioned bolts 13 are disposed.

5 is to provide a means for capping piling in such While the foregoing specification sets forth 5 a manner that when the driving charge is exthe invention in specific terms, it is to be underploding, the cap will not become displaced from stood that numerous changes in the shape, size, the top of the piling on which it is located. and materials may be resorted to without de- Other important objects and advantages of the parting from the spirit and scope of the inveninvention will become apparent to the reader of tion as claimed hereinafter. 10

the following specification. Having described the invention what is claimed In the drawingzas new is: Figure 1 represents a vertical sectional view 1. A cap for piling comprising an inverted cupthrough the cap applied to a piling. shaped member provided with a laterally extend- Figure 2 is a top plan view of the cap structure. ing flange at its lower portion, a pair of clamp 15 Figure 3 is a top plan view of one of the clamp members, one of said clamp members being members and its bolts in separated relation. adapted to clamp against the piling, the other Figure 4 is a top plan view of the cap without clamp member being adapted to clamp around the clamp members. the cup-shaped member and on top of said flange,

Referring to the drawing wherein like nuand tie members between the said clamp mem- 20 merals designate like parts, it can be seen that bers. numeral 5 represents a piling While numeral 6 2. A cap for piling comprising an inverted cuprepresents a cylindrical-shaped cap closed at its shaped member provided with a laterally extendupper end as at I and provided with an outing flange at its lower portion, a pair of clamp wardly disposed flange 8 at its lower open end. members, one of said clamp members being 25 A pair of clamp structures 9l0 are employed adapted to clamp against the piling, the other for retaining the cap in position. Each clamp clamp member being adapted to clamp around consists of a pair of semi-circular shaped memthe cup-shaped member and on top of said flange, bers ll-ll having outwardly disposed ears l2 and tie members between the said clamp memat their ends and these ears are apertured to bers, each of the said clamp members consisting 30 receive the bolts l3 on which nuts M are placed. of a pair of semi-circular shaped members folded It can be seen that the upper clamp 9 is positogether, said tie members consisting of rods tioned around the cap 6 and bears against the provided with eyes at their opposite ends through flange 8 while the lower clamp l0 binds directly which the bolts of the clamps are disposed. against the piling 5. 35 To connect these clamp structures, a pair 01 JAMES M. DOLAN. 

